Post guard



FIG. 1 is an upper isometric view of a post guard;

FIG. 2 is a front side elevation view of the post guard of FIG. 1, the rear side view being a mirror image thereof;

FIG. 3 is a left side elevation view of the post guard of FIG. 1, the right side elevation view being a mirror image thereof;

FIG. 4 is a top plan view of the post guard of FIG. 1; and,

FIG. 5 is a bottom plan view of the post guard of FIG. 1.

The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while other broken lines are directed to environment and are for illustrative purposes only; features illustrated in broken lines form no part of the claimed design. 

I claim the ornamental design for a post guard, as shown and described. 